What is the meaning of Supple?

Pliant, flexible, easy to bend.

Lithe and agile when moving and bending.

Compliant; yielding to the will of others.

Smooth and drinkable.

To make or become supple.

To make compliant, submissive, or obedient.

second-person singular present active imperative of suppleō

alternative form of souple

Source: wiktionary.org